Lines Matching refs:em_tree
1114 struct extent_map_tree *em_tree; in btrfs_remove_block_group() local
1116 em_tree = &fs_info->mapping_tree; in btrfs_remove_block_group()
1117 write_lock(&em_tree->lock); in btrfs_remove_block_group()
1118 remove_extent_mapping(em_tree, em); in btrfs_remove_block_group()
1119 write_unlock(&em_tree->lock); in btrfs_remove_block_group()
1133 struct extent_map_tree *em_tree = &fs_info->mapping_tree; in btrfs_start_trans_remove_block_group() local
1138 read_lock(&em_tree->lock); in btrfs_start_trans_remove_block_group()
1139 em = lookup_extent_mapping(em_tree, chunk_offset, 1); in btrfs_start_trans_remove_block_group()
1140 read_unlock(&em_tree->lock); in btrfs_start_trans_remove_block_group()
1457 struct extent_map_tree *em_tree; in find_first_block_group() local
1460 em_tree = &root->fs_info->mapping_tree; in find_first_block_group()
1461 read_lock(&em_tree->lock); in find_first_block_group()
1462 em = lookup_extent_mapping(em_tree, found_key.objectid, in find_first_block_group()
1464 read_unlock(&em_tree->lock); in find_first_block_group()